136 resultados para Intraclass struggles
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This study aims to identify the horizon of emancipation in Human Rights Education, using the philosophy of praxis as a theoretical framework, basing on authors as Tonet, Losurdo, Marx, and Saviani and Duarte, taking as a privileged locus analysis of the Plan National Human Rights Education (PNEDH, 2007). The discussion about the historical development of the movement of the struggles for human rights was a starting point to indicate how, in general, these struggles have been developing since the context of bourgeois revolutions. From there we tried to discuss how the prospect of citizenship has been treated within the Rights Education, the latter being a reflection of social movements' struggles for rights from the year 1980. Situating this movement within a larger movement on the issue of education in Brazil in the twentieth century, we tried to discuss the flags such as citizenship, the strengthening of civil society and creating a culture of rights as a goal of emancipation. Seeking to differentiate between citizenship as political emancipation and human emancipation, was placed the imperative to take the citizenship as a mediator and not as an endpoint in order to equip a culture of struggle for a classless society without exploitation of man by man
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The projects of the company Vale SA territorialization triggers a series of territorial determinations on local populations. This process denotes a situation of sociospatial conflicts between the affected people and the company, which occur in the material and symbolical scope. In the expansion of these conflicts is established the International Articulation of those Affected by Vale and the “Movimento de Soberania Popular Frente a Mineração” (MAM) which aims to promote communication and unification of the struggles between different social movements and populations on confrontation with the company. This project aims to examine how these conflicts are established in projects relating to mining operations in Brazil. The development starts from a mapping of the investments in the sector, identifying the major determinations territorial, the forms of organization of resistance, identifying who are the groups in conflict
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Pós-graduação em Relações Internacionais (UNESP - UNICAMP - PUC-SP) - FFC
A luta em defesa da Sociologia no Ensino Médio: 1996-2007 : um estudo sobre a invenção das tradições
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Pós-graduação em Educação Escolar - FCLAR
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Pós-graduação em Geografia - IGCE
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Educação - FFC
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Unlike neighboring countries whose constitutions define their multicultural and multiethnic statutes, the indigenous rights inscribed on Brazilian Constitution are primarily defined by the recognition of territorial occupation. At this moment when the political struggles brings into question the validity of these rights, the text aims to discuss the extent of its application since enactment of the Brazilian Constitution
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To evaluate the performance of a pen‑type laser fluorescence device (DIAGNOdent 2190; LFpen, KaVo, Germany) and bitewing radiographs (BW) for approximal caries detection in permanent and primary teeth. Materials and Methods: A total of 246 anterior approximal surfaces (102 permanent and 144 primary) were selected. Contact points were simulated using sound teeth. Two examiners assessed all approximal surfaces using LFpen and BW. The teeth were histologically assessed for the reference standard. Optimal cut‑off limits were calculated for LFpen for primary and permanent teeth. Sensitivity, specificity, accuracy and area under the receiver operating characteristic curve (Az) were calculated for D1 (enamel and dentin lesions) and D3 (dentin lesions) thresholds. The reproducibility was assessed by intraclass correlation coefficient (ICC) and Cohen's weighted kappa values. Results: For permanent teeth, the LFpen cut‑off were 0– 27 (sound), 28– 33 (enamel caries) and >33 (dentin caries). For primary teeth, the LFpen cut‑off were 0– 7 (sound), 8– 32 (enamelcaries) and >32 (dentin caries). The LFpen presented higher sensitivity values than BW for primary teeth (0.58 vs. 0.32 at D1 and 0.80 vs. 0.47 at D3) and permanent teeth (0.80 vs. 0.57 at D1 and 0.94 vs. 0.51 at D3). Specificity did not show a significant difference between the methods. Rank correlations with histology were 0.59 and 0.83 (LFpen) and 0.36 and 0.70 (BW) for primary and permanent teeth, respectively, considering all lesions. ICC values for LFpen were 0.71 (inter) and 0.86 (intra) for permanent teeth and 0.94 (inter) and 0.90/0.99 for primary teeth. Kappa values for BW were 0.69 (inter) and 0.68/0.90 (intra) for permanent teeth and 0.64 (inter) and 0.89/0.89 for primary teeth. Conclusion: LFpen presented better reproducibility for primary and permanent teeth and higher accuracy in detecting caries lesions at D1 threshold than BW for permanent teeth. LFpen should be used as an adjunct method for approximal caries detection.
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To calculate the estimated and actual height and weight measures in cancer patients, evaluate the correlation and concordance of these measures and to identify the malnutrition patients. 62 cancer patients, treated at the Amaral Carvalho Hospital (Jaú- SP). For classifi cation of nutritional status, the Patient-Generated Subjective Global Assessment, the Body Mass Index and the relationship with usual weight were used. For the estimated weight was used the algorithm Chumlea et al.7 and estimated height, the equation proposed by Chumlea et al.8 and Kwok & Whitelaw24. The Pearson Correlation Coeffi cient and the Intraclass Correlation Coeffi cient was calculated and simple linear regression was conducted. To compare the malnutrition detected by different methods, the Cochran’s Q test were performed. There was a strong and signifi cant correlation between the estimated and actual weight (r=0,95; CI95%=0,92-0,97; p<0,001) and excellent concordance (ρ=0,95). For height measurements, a signifi cant correlation was observed between the actual and estimated measurement the method Chumlea et al.8 (r=0,78; CI95%=0,66-0,86; p<0,001) and Kwok & Whitelaw24 (r=0,85; CI95%: 0,75-0,90; p<0,001). Concordance was “Good” (ρ=0,72) and “Moderate” (ρ=0,67) between the actual height and estimated by Chumlea et al.8 and Kwok & Whitelaw,24 respectively. There was a strong correlation between the actual and estimated weight and height measures. The reproducibility of the equation proposed by Chumlea et al.8 to calculate height was better. The nutritional status, the patients classifi ed as malnutrition was greater when using the Patient-Generated Subjective Global Assessment and the relationship with usual weight.
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In laboratory tests, just following the manufacturer’s instructions of materials or equipments may not be enough to obtain reliable data. Thus, intra and inter-examiners studies may be required. The aim of this study was to illustrate the application of the Intraclass Correlation Coefficient (r) in a study related to the color changing and hardness of composite resin conducted by two examiners. The color and hardness of 10 specimens of composite resin were evaluated by a colorimetric spectrophotometer and hardness tester, respectively, at two different times. Two trained examiners performed two measurements with an interval of one week. Specimens were stored in artificial saliva at 37±1ºC for 7 days. The Intraclass Correlation was used for analysis of intra and inter-examiner reproducibility. The intra-examiner reproducibility was 0.79, 0.44 and 0.76 for L, a and b color coordinates for the examiner 1 and 0.84, 0.23, 0.21 for examiner 2. For hardness, r-values were 0.00 and 0.23 for the examiner 1 and 2, respectively, showing unsatisfactory agreement on color and hardness evaluation for both examiners. It was noted that only the observation of protocol for use of equipment and examiners training were not sufficient to collect reliable information. Thus, adjustments in the experimental protocol were made and devices were produced to standardize the measurements. The reproducibility study was performed again. For examiner 1, values as 0.90, 0.59 and 0.79 were verified for L, a and b coordinates and, for examiner 2 were obtained values of 0.90, 0.75, 0.95. In relation to hardness, r-values of 0.75 and 0.71 were obtained for examiners 1 and 2, respectively. The inter-examiner reproducibility was 0.86, 0.87, 0.91 for L, a and b coordinates and 0.79 for hardness. It was concluded that intra and inter-examiner calibration is essential for obtaining quality measurements in laboratory tests.
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RESUMO: O objetivo do estudo foi estimar a validade e confiabilidade da Escala de atitudes em relação à Estatística (EAE) quando aplicada a estudantes de Ciências Farmacêuticas. A amostra de 253 estudantes foi subdividida em duas partes. Sessenta por cento da amostra foi utilizada para explorar a estrutura fatorial e 40% para confirmá-la. Para verificar a reprodutibilidade da escala a mesma foi aplicada em duplicata a 40 estudantes. Aplicou-se o Teste de esfericidade de Bartlett e o índice Kaiser-Meyer-Olkin (KMO). A extração dos fatores foi realizada pela Análise de Componentes Principais. Realizou-se rotação ortogonal Varimax. Calculou-se o Coeficiente alfa de Cronbach (α) e o Coeficiente de Correlação Intraclasse (ρ). Realizou-se análise fatorial confirmatória. Elaborou-se um modelo hierárquico de segunda ordem (MHSO). O teste de esfericidade de Bartlett e o índice KMO foram excelentes (χ 2 =1835,815, p<0,001; KMO=0,935). Verificou-se dois fatores com valores próprios acima de 1 (λ=9,748; λ=2,086) explicando 59,2% da variância total. A questão 2 foi removida. Observou-se excelente consistência interna e reprodutibilidade. O modelo fatorial apresentou índices de qualidade de ajustamento bons (λ=0,59-0,86, χ 2 /gl=1,691, CFI=0,919, GFI=0,804, RMSEA=0,079). A validade discriminante dos fatores foi adequada. A EAE apresentou estrutura bifatorial na amostra com níveis de validade e confiabilidade adequados.
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The aim of this study was to investigate the reliability of visual and digital methods to assess marginal microleakage in vitro. Materials and Methods: Typical Class V preparations were made in bovine teeth and filled with composite resin. After dye penetration (0.5% basic fuchsin), teeth were sectioned and the 53 obtained fragments were assessed according to visual (stereomicroscope) and digital methods (Image Tool Software ® -ITS) (University of Texas Health Science Center-San Antonio Dental School, USA). Two calibrated examiners (A and B) evaluated dye penetration, by means of a stereomicroscope with ×20 magnification (scores), and by the ITS (millimeters). The intra- and inter-examiner agreement was estimated according to Kappa statistics (κ), and intraclass correlation coefficient (ρ). Results: In relation to the visual method, the intra-examiner agreement was almost perfect (κA = 0.87) and substantial (κB = 0.76), respectively to the examiner A and B. The inter-examiner agreement showed an almost perfect reliability (κ = 0.84). For the digital method, the intra-examiner agreement was almost perfect for both examiners and equal to ρ = 0.99, and so was the inter-examiner agreement value. Conclusion: Visual (stereomicroscope) and digital methods (ITS) showed high levels of intra- and inter-examiner reproducibility when marginal microleakage was assessed.
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In epidemiological studies, when the data is collected by interview, it is of importance to analyse the reliability of the information. This study was carried out with the purpose of examining the self-agreement of mothers in answering questions about variables of interest in oral cleft researches on two different occasions. A sample of 91 mothers of oral cleft babies were interviewed on two different occasions. The capacity of giving the same answer to questions related to heredity, type of clefts, period of gestation of the mother and birthweight were studied. The statistics type kappa (k) and intraclass correlation coefficient (r) by point and by 95% of confidence interval were applied. The intra-observer agreement for the variables history of oral clefts in the family, type of cleft, period of gestation of the mother and birthweight of the newborn was, respectively, k=0.9492, k=1.0000, k=0.9281 and r=0.9996. We concluded that the background on oral cleft in the family history of patients with this anomaly is a variable with an excellent degree of reliability. Also, the information given by the mothers related to the period of gestation, type of the baby’s cleft and birthweight are reliable.
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Although measurement errors can impair statistical analysis, reliability analysis has been neglected in applied microbiology. This study assessed the intra-rater reproducibility of the Agar-based method for estimation of phospholipase activity (Pz). Pz readings were performed twice by two examiners (E1, E2), either directly on plates or in photos, and both black and white backgrounds were used. Pz values were taken from one or triplicate colonies from each sample (n=30). Intra-examiner reproducibility was estimated using Intraclass Correlation Coefficient (ICC). For both examiners, reading triplicate (ICCE1=0.91, ICCE2=0.86) was better than one colony (ICCE1=0.86, ICCE2=0.80). E1 had an excellent concordance when measurements were performed on photos using a white background (ICC=0.95) and a good concordance in the other conditions